Gabarron MATTIRA CMX18i Instrucciones De Instalacion Y Uso página 31

Complete all the pipe-work before connecting the boiler to the electricity supply.
Any re-installation must be performed by qualified electricians.
Ensure that the mains voltage available coincides with that shown on the rating label.
WARNING: THE SUPPLY CABLE TO THE BOILER SHOULD BE OF SUFFICIENT SIZE TO CARRY THE LOAD
CAPACITY REQUIRED. IT SHOULD BE WIRED THROUGH A LINKED ISOLATOR SWITCH WITH MINIMUM
CONTACT GAPS OF 3mm IN EVERY POLE AND PROTECTED BY A SUITABLY RATED CIRCUIT BREAKER MCB/RCD
Install the necessary electrical protections as indicated in the current regulations. In the event of these regulations not being
complied with, the manufacturer will not be liable for any bodily injury or material damage that may occur.
WARNING: IT IS ESSENTIAL THAT THE BOILER IS PROPERLY EARTHED and the wiring tested to
current IEE regulations.
Electrical Supply Sizing
The following table shows the specification for a boiler installed on three phase single phase 3x400V+N~.
Rated output of boiler
Supply current
RCD rating
Minimum cable size
The following table shows the specification for a boiler installed on single phase 230V~ supply.
Rated output of boiler
Supply current
RCD rating
Minimum cable size
* The standard configuration of the boiler only allows a maximum of 12kW when connected SINGLE-PHASE 230V~.
Connection to Boiler
WARNING: Touching live connections can cause serious personal injury.
Before establishing a mains connection switch off the power supply. Secure the power supply against being switched on again.
Mains connection terminals remain live even if the on/off switch is turned off.
The boiler is delivered ready for operation on 3x400V three phase supply. For operation on 230V single phase the bridging
connection supplied must be connected across the terminals of the connection block as shown.
4kW 5kW 6kW 7kW
13.0A 13.0A 13.0A 13.0A
16A 16A 16A 16A
4mm 4mm 4mm 4mm
4kW 5kW 6kW 7kW
17.4A 21.7A 26.1A 30.4A
20A 25A 32A 32A
4mm 6mm 10mm 10mm
8kW 9kW 10kW 11kW
13.0A 13.0A 21.7A 21.7A
16A 16A 25A 25A
4mm 4mm 6mm 6mm
8kW 9kW 10kW 11kW
34.8A 39.1A 43.5A 47.8A
40A 50A 50A 50A
10mm 16mm 16mm 16mm
30
12kW 13kW 15kW 18kW
21.7A 21.7 21.7A 26.0A
25A 25A 25A 32A
6mm 6mm 6mm 10mm
12kW 13kW 15kW 18kW
52.2A 56.5A* 65.2A* 78.3A*
63A 63A* 80A* 80A*
16mm 25mm 25mm 35mm